./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638bd461-355a-4d97-a564-a952286e078e/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638bd461-355a-4d97-a564-a952286e078e/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638bd461-355a-4d97-a564-a952286e078e/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638bd461-355a-4d97-a564-a952286e078e/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638bd461-355a-4d97-a564-a952286e078e/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638bd461-355a-4d97-a564-a952286e078e/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 653bbac28ac5777df45378e95c3d4d049df50356a6a758af8df299c50637b77a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:34:36,105 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:34:36,171 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638bd461-355a-4d97-a564-a952286e078e/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 19:34:36,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:34:36,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:34:36,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:34:36,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:34:36,213 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:34:36,214 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:34:36,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:34:36,215 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:34:36,215 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:34:36,216 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:34:36,216 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:34:36,217 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:34:36,217 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:34:36,218 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:34:36,218 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:34:36,219 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:34:36,219 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:34:36,220 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:34:36,221 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:34:36,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:34:36,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:34:36,223 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:34:36,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:34:36,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:34:36,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:34:36,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:34:36,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:34:36,232 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:34:36,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:34:36,233 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:34:36,233 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:34:36,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:34:36,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:34:36,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:34:36,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:34:36,234 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:34:36,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:34:36,234 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:34:36,235 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:34:36,235 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:34:36,235 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:34:36,235 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638bd461-355a-4d97-a564-a952286e078e/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638bd461-355a-4d97-a564-a952286e078e/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 653bbac28ac5777df45378e95c3d4d049df50356a6a758af8df299c50637b77a [2023-12-02 19:34:36,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:34:36,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:34:36,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:34:36,502 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:34:36,503 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:34:36,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638bd461-355a-4d97-a564-a952286e078e/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i [2023-12-02 19:34:39,206 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:34:39,900 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:34:39,901 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638bd461-355a-4d97-a564-a952286e078e/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i [2023-12-02 19:34:39,975 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638bd461-355a-4d97-a564-a952286e078e/bin/utaipan-verify-nQ1chXbOIh/data/dc1f72ff7/53d7465b852543ca86ef9d1e9784d54b/FLAGaab2cdee1 [2023-12-02 19:34:39,991 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638bd461-355a-4d97-a564-a952286e078e/bin/utaipan-verify-nQ1chXbOIh/data/dc1f72ff7/53d7465b852543ca86ef9d1e9784d54b [2023-12-02 19:34:39,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:34:39,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:34:39,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:34:39,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:34:40,002 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:34:40,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:34:39" (1/1) ... [2023-12-02 19:34:40,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2158e746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:40, skipping insertion in model container [2023-12-02 19:34:40,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:34:39" (1/1) ... [2023-12-02 19:34:40,339 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:34:40,739 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4269] [2023-12-02 19:34:40,739 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4270-4271] [2023-12-02 19:34:41,178 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638bd461-355a-4d97-a564-a952286e078e/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i[125841,125854] [2023-12-02 19:34:46,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:34:46,509 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:34:46,601 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4269] [2023-12-02 19:34:46,601 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4270-4271] [2023-12-02 19:34:46,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [4350] [2023-12-02 19:34:46,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [4357] [2023-12-02 19:34:46,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4403] [2023-12-02 19:34:46,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4406] [2023-12-02 19:34:46,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4409] [2023-12-02 19:34:46,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4412] [2023-12-02 19:34:46,613 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638bd461-355a-4d97-a564-a952286e078e/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i[125841,125854] [2023-12-02 19:34:46,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/1122/dscv_tempdir/dscv/ri/43_2a/drivers/mtd/ubi/vtbl.o.c.prepared"), "i" (930), "i" (12UL)); [5598-5599] [2023-12-02 19:34:46,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" ((int32_t *)argp), "i" (4UL)); [10955-10956] [2023-12-02 19:34:46,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___0), "=r" (__val_gu___0): "0" ((int32_t *)argp), "i" (4UL)); [11006-11007] [2023-12-02 19:34:46,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___1), "=r" (__val_gu___1): "0" ((int32_t *)argp), "i" (4UL)); [11019-11020] [2023-12-02 19:34:46,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int32_t *)argp): "ebx"); [11505] [2023-12-02 19:34:46,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int32_t *)argp): "ebx"); [11508] [2023-12-02 19:34:46,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int32_t *)argp): "ebx"); [11511] [2023-12-02 19:34:46,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int32_t *)argp): "ebx"); [11514] [2023-12-02 19:34:46,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int32_t *)argp): "ebx"); [11517] [2023-12-02 19:34:46,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" ((int32_t *)argp), "i" (4UL)); [11542-11543] [2023-12-02 19:34:46,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int32_t *)argp): "ebx"); [11727] [2023-12-02 19:34:46,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int32_t *)argp): "ebx"); [11730] [2023-12-02 19:34:46,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int32_t *)argp): "ebx"); [11733] [2023-12-02 19:34:46,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int32_t *)argp): "ebx"); [11736] [2023-12-02 19:34:46,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int32_t *)argp): "ebx"); [11739] [2023-12-02 19:34:46,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" ((int32_t *)argp), "i" (4UL)); [11761-11762] [2023-12-02 19:34:47,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [19040-19041] [2023-12-02 19:34:47,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [19045-19046] [2023-12-02 19:34:47,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [19050-19051] [2023-12-02 19:34:47,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___6->state): : "memory", "cc"); [19055-19056] [2023-12-02 19:34:47,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/1122/dscv_tempdir/dscv/ri/43_2a/drivers/mtd/ubi/attach.o.c.prepared"), "i" (196), "i" (12UL)); [19758-19759] [2023-12-02 19:34:47,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:34:47,725 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:34:47,725 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:34:47,725 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:34:47,725 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:34:47,726 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:34:47,731 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:34:47,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:47 WrapperNode [2023-12-02 19:34:47,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:34:47,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:34:47,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:34:47,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:34:47,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:47" (1/1) ... [2023-12-02 19:34:47,964 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:47" (1/1) ... [2023-12-02 19:34:48,649 INFO L138 Inliner]: procedures = 600, calls = 15223, calls flagged for inlining = 264, calls inlined = 252, statements flattened = 31912 [2023-12-02 19:34:48,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:34:48,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:34:48,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:34:48,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:34:48,660 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:47" (1/1) ... [2023-12-02 19:34:48,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:47" (1/1) ... [2023-12-02 19:34:49,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:47" (1/1) ... [2023-12-02 19:34:49,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:47" (1/1) ... [2023-12-02 19:34:49,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:47" (1/1) ... [2023-12-02 19:34:49,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:47" (1/1) ... [2023-12-02 19:34:49,747 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:47" (1/1) ... [2023-12-02 19:34:49,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:47" (1/1) ... [2023-12-02 19:34:49,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:34:49,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:34:49,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:34:49,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:34:49,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:47" (1/1) ... [2023-12-02 19:34:49,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:34:49,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638bd461-355a-4d97-a564-a952286e078e/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:34:49,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638bd461-355a-4d97-a564-a952286e078e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:34:49,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638bd461-355a-4d97-a564-a952286e078e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:34:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure volume_sysfs_init [2023-12-02 19:34:50,012 INFO L138 BoogieDeclarations]: Found implementation of procedure volume_sysfs_init [2023-12-02 19:34:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_ec_hdr [2023-12-02 19:34:50,012 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_ec_hdr [2023-12-02 19:34:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_unmap_leb [2023-12-02 19:34:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_unmap_leb [2023-12-02 19:34:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-12-02 19:34:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2023-12-02 19:34:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2023-12-02 19:34:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2023-12-02 19:34:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2023-12-02 19:34:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_resize_volume [2023-12-02 19:34:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_resize_volume [2023-12-02 19:34:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_free_internal_volumes [2023-12-02 19:34:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_free_internal_volumes [2023-12-02 19:34:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure __schedule_ubi_work [2023-12-02 19:34:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __schedule_ubi_work [2023-12-02 19:34:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_volume_notify [2023-12-02 19:34:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_volume_notify [2023-12-02 19:34:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-12-02 19:34:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-12-02 19:34:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 19:34:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 19:34:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_detach_mtd_dev [2023-12-02 19:34:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_detach_mtd_dev [2023-12-02 19:34:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure put_mtd_device [2023-12-02 19:34:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure put_mtd_device [2023-12-02 19:34:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure erase_block [2023-12-02 19:34:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure erase_block [2023-12-02 19:34:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_pending [2023-12-02 19:34:50,016 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_pending [2023-12-02 19:34:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2023-12-02 19:34:50,016 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2023-12-02 19:34:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-12-02 19:34:50,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-12-02 19:34:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure class_remove_file [2023-12-02 19:34:50,016 INFO L138 BoogieDeclarations]: Found implementation of procedure class_remove_file [2023-12-02 19:34:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2023-12-02 19:34:50,017 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2023-12-02 19:34:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_read_leb [2023-12-02 19:34:50,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_read_leb [2023-12-02 19:34:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_do_get_device_info [2023-12-02 19:34:50,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_do_get_device_info [2023-12-02 19:34:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_cdev_ioctl [2023-12-02 19:34:50,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_cdev_ioctl [2023-12-02 19:34:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_sysfs_close [2023-12-02 19:34:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_sysfs_close [2023-12-02 19:34:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure vtbl_check [2023-12-02 19:34:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure vtbl_check [2023-12-02 19:34:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_remove [2023-12-02 19:34:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_remove [2023-12-02 19:34:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_vid_hdr [2023-12-02 19:34:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_vid_hdr [2023-12-02 19:34:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_cdev_ioctl [2023-12-02 19:34:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_cdev_ioctl [2023-12-02 19:34:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_cleanup [2023-12-02 19:34:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_cleanup [2023-12-02 19:34:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-12-02 19:34:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-12-02 19:34:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_compare_lebs [2023-12-02 19:34:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_compare_lebs [2023-12-02 19:34:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_get_fm_peb [2023-12-02 19:34:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_get_fm_peb [2023-12-02 19:34:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-12-02 19:34:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-12-02 19:34:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2023-12-02 19:34:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2023-12-02 19:34:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_ioctl [2023-12-02 19:34:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_ioctl [2023-12-02 19:34:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_update_fastmap [2023-12-02 19:34:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_update_fastmap [2023-12-02 19:34:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure is_error_sane [2023-12-02 19:34:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure is_error_sane [2023-12-02 19:34:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_vid_hdr [2023-12-02 19:34:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_vid_hdr [2023-12-02 19:34:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vid_hdr [2023-12-02 19:34:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vid_hdr [2023-12-02 19:34:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure rb_next [2023-12-02 19:34:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_next [2023-12-02 19:34:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-12-02 19:34:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_check_volume [2023-12-02 19:34:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_check_volume [2023-12-02 19:34:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 19:34:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_calc_data_len [2023-12-02 19:34:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_calc_data_len [2023-12-02 19:34:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_data [2023-12-02 19:34:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_data [2023-12-02 19:34:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure dfs_file_write [2023-12-02 19:34:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure dfs_file_write [2023-12-02 19:34:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_close [2023-12-02 19:34:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_close [2023-12-02 19:34:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_free_vid_hdr [2023-12-02 19:34:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_free_vid_hdr [2023-12-02 19:34:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 19:34:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-12-02 19:34:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-12-02 19:34:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure rb_link_node [2023-12-02 19:34:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_link_node [2023-12-02 19:34:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_7 [2023-12-02 19:34:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_7 [2023-12-02 19:34:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_find_av [2023-12-02 19:34:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_find_av [2023-12-02 19:34:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-12-02 19:34:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-12-02 19:34:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2023-12-02 19:34:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2023-12-02 19:34:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-12-02 19:34:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-12-02 19:34:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_ubi_work [2023-12-02 19:34:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_ubi_work [2023-12-02 19:34:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure do_sync_erase___0 [2023-12-02 19:34:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sync_erase___0 [2023-12-02 19:34:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-12-02 19:34:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-12-02 19:34:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure dev_attribute_show [2023-12-02 19:34:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_attribute_show [2023-12-02 19:34:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-12-02 19:34:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-12-02 19:34:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_ec_hdr [2023-12-02 19:34:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_ec_hdr [2023-12-02 19:34:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 19:34:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_not_bad [2023-12-02 19:34:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_not_bad [2023-12-02 19:34:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-12-02 19:34:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-12-02 19:34:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_div_by_eb [2023-12-02 19:34:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_div_by_eb [2023-12-02 19:34:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev_nolock [2023-12-02 19:34:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev_nolock [2023-12-02 19:34:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2023-12-02 19:34:50,028 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2023-12-02 19:34:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-12-02 19:34:50,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-12-02 19:34:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_calculate_reserved [2023-12-02 19:34:50,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_calculate_reserved [2023-12-02 19:34:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_debugfs_exit_dev [2023-12-02 19:34:50,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_debugfs_exit_dev [2023-12-02 19:34:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 19:34:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure validate_vid_hdr [2023-12-02 19:34:50,029 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_vid_hdr [2023-12-02 19:34:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure find_mean_wl_entry [2023-12-02 19:34:50,029 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mean_wl_entry [2023-12-02 19:34:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 19:34:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2023-12-02 19:34:50,029 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2023-12-02 19:34:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 19:34:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 19:34:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_data [2023-12-02 19:34:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_data [2023-12-02 19:34:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure prot_queue_add [2023-12-02 19:34:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure prot_queue_add [2023-12-02 19:34:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-12-02 19:34:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-12-02 19:34:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_open_volume_nm [2023-12-02 19:34:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_open_volume_nm [2023-12-02 19:34:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2023-12-02 19:34:50,031 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2023-12-02 19:34:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2023-12-02 19:34:50,031 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2023-12-02 19:34:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_write [2023-12-02 19:34:50,031 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_write [2023-12-02 19:34:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2023-12-02 19:34:50,031 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2023-12-02 19:34:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-12-02 19:34:50,031 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-12-02 19:34:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-12-02 19:34:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-12-02 19:34:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2023-12-02 19:34:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2023-12-02 19:34:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure new_fm_vhdr [2023-12-02 19:34:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure new_fm_vhdr [2023-12-02 19:34:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure yield [2023-12-02 19:34:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure yield [2023-12-02 19:34:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2023-12-02 19:34:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2023-12-02 19:34:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure find_wl_entry [2023-12-02 19:34:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure find_wl_entry [2023-12-02 19:34:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoint [2023-12-02 19:34:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoint [2023-12-02 19:34:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_chk_io [2023-12-02 19:34:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_chk_io [2023-12-02 19:34:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_cur_bytes [2023-12-02 19:34:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_cur_bytes [2023-12-02 19:34:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure __vmalloc [2023-12-02 19:34:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __vmalloc [2023-12-02 19:34:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_is_bad [2023-12-02 19:34:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_is_bad [2023-12-02 19:34:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure vol_id2idx [2023-12-02 19:34:50,034 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_id2idx [2023-12-02 19:34:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_attach_mtd_dev [2023-12-02 19:34:50,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_attach_mtd_dev [2023-12-02 19:34:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-12-02 19:34:50,034 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-12-02 19:34:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 19:34:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_update_reserved [2023-12-02 19:34:50,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_update_reserved [2023-12-02 19:34:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_put_fm_peb [2023-12-02 19:34:50,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_put_fm_peb [2023-12-02 19:34:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure in_wl_tree [2023-12-02 19:34:50,092 INFO L138 BoogieDeclarations]: Found implementation of procedure in_wl_tree [2023-12-02 19:34:50,092 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_ai [2023-12-02 19:34:50,092 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_ai [2023-12-02 19:34:50,092 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2023-12-02 19:34:50,092 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2023-12-02 19:34:50,092 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_get_peb [2023-12-02 19:34:50,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_get_peb [2023-12-02 19:34:50,093 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-12-02 19:34:50,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-12-02 19:34:50,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:34:50,093 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_ai [2023-12-02 19:34:50,093 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_ai [2023-12-02 19:34:50,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 19:34:50,093 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2023-12-02 19:34:50,093 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2023-12-02 19:34:50,094 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-12-02 19:34:50,094 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_aeb [2023-12-02 19:34:50,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_aeb [2023-12-02 19:34:50,094 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_av [2023-12-02 19:34:50,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_av [2023-12-02 19:34:50,094 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-12-02 19:34:50,094 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-12-02 19:34:50,094 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-12-02 19:34:50,094 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-12-02 19:34:50,095 INFO L130 BoogieDeclarations]: Found specification of procedure write_leb [2023-12-02 19:34:50,095 INFO L138 BoogieDeclarations]: Found implementation of procedure write_leb [2023-12-02 19:34:50,095 INFO L130 BoogieDeclarations]: Found specification of procedure rb_erase [2023-12-02 19:34:50,095 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_erase [2023-12-02 19:34:50,095 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2023-12-02 19:34:50,095 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2023-12-02 19:34:50,095 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_erase [2023-12-02 19:34:50,095 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_erase [2023-12-02 19:34:50,095 INFO L130 BoogieDeclarations]: Found specification of procedure prot_queue_del [2023-12-02 19:34:50,096 INFO L138 BoogieDeclarations]: Found implementation of procedure prot_queue_del [2023-12-02 19:34:50,096 INFO L130 BoogieDeclarations]: Found specification of procedure validate_ec_hdr [2023-12-02 19:34:50,096 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_ec_hdr [2023-12-02 19:34:50,096 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_compat [2023-12-02 19:34:50,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_compat [2023-12-02 19:34:50,096 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_chk_gen [2023-12-02 19:34:50,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_chk_gen [2023-12-02 19:34:50,096 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_remove_av [2023-12-02 19:34:50,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_remove_av [2023-12-02 19:34:50,097 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-12-02 19:34:50,097 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-12-02 19:34:50,097 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_device [2023-12-02 19:34:50,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_device [2023-12-02 19:34:50,097 INFO L130 BoogieDeclarations]: Found specification of procedure rb_first [2023-12-02 19:34:50,097 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_first [2023-12-02 19:34:50,097 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_vid_hdr [2023-12-02 19:34:50,098 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_vid_hdr [2023-12-02 19:34:50,098 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2023-12-02 19:34:50,098 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2023-12-02 19:34:50,098 INFO L130 BoogieDeclarations]: Found specification of procedure leb_write_lock [2023-12-02 19:34:50,098 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_write_lock [2023-12-02 19:34:50,098 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path [2023-12-02 19:34:50,098 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path [2023-12-02 19:34:50,098 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-12-02 19:34:50,098 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-12-02 19:34:50,099 INFO L130 BoogieDeclarations]: Found specification of procedure rb_insert_color [2023-12-02 19:34:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_insert_color [2023-12-02 19:34:50,099 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read [2023-12-02 19:34:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read [2023-12-02 19:34:50,099 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-12-02 19:34:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-12-02 19:34:50,099 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_change_vtbl_record [2023-12-02 19:34:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_change_vtbl_record [2023-12-02 19:34:50,099 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-12-02 19:34:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-12-02 19:34:50,100 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_write [2023-12-02 19:34:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_write [2023-12-02 19:34:50,100 INFO L130 BoogieDeclarations]: Found specification of procedure uif_close [2023-12-02 19:34:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure uif_close [2023-12-02 19:34:50,100 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2023-12-02 19:34:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2023-12-02 19:34:50,100 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_remove_all [2023-12-02 19:34:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_remove_all [2023-12-02 19:34:50,101 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_atomic_leb_change [2023-12-02 19:34:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_atomic_leb_change [2023-12-02 19:34:50,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:34:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:34:50,101 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-12-02 19:34:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-12-02 19:34:50,101 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_ro_mode [2023-12-02 19:34:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_ro_mode [2023-12-02 19:34:50,101 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-12-02 19:34:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-12-02 19:34:50,102 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2023-12-02 19:34:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2023-12-02 19:34:50,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-12-02 19:34:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-12-02 19:34:50,102 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2023-12-02 19:34:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2023-12-02 19:34:50,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 19:34:50,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 19:34:50,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 19:34:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 19:34:50,103 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-12-02 19:34:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-12-02 19:34:50,103 INFO L130 BoogieDeclarations]: Found specification of procedure scan_all [2023-12-02 19:34:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_all [2023-12-02 19:34:50,103 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-12-02 19:34:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-12-02 19:34:50,103 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_flash [2023-12-02 19:34:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_flash [2023-12-02 19:34:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_is_fm_block [2023-12-02 19:34:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_is_fm_block [2023-12-02 19:34:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure blk_fetch_request [2023-12-02 19:34:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_fetch_request [2023-12-02 19:34:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure leb_write_unlock [2023-12-02 19:34:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_write_unlock [2023-12-02 19:34:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure device_register [2023-12-02 19:34:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure device_register [2023-12-02 19:34:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_sync_erase [2023-12-02 19:34:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_sync_erase [2023-12-02 19:34:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-12-02 19:34:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-12-02 19:34:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-12-02 19:34:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-12-02 19:34:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure idx2vol_id [2023-12-02 19:34:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure idx2vol_id [2023-12-02 19:34:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2023-12-02 19:34:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure strsep [2023-12-02 19:34:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-12-02 19:34:50,106 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-12-02 19:34:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2023-12-02 19:34:50,106 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2023-12-02 19:34:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure vol_attribute_show [2023-12-02 19:34:50,106 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_attribute_show [2023-12-02 19:34:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_peb_ec_hdr [2023-12-02 19:34:50,106 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_peb_ec_hdr [2023-12-02 19:34:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vol_info [2023-12-02 19:34:50,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vol_info [2023-12-02 19:34:50,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 19:34:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 19:34:50,107 INFO L130 BoogieDeclarations]: Found specification of procedure get_peb_for_wl [2023-12-02 19:34:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure get_peb_for_wl [2023-12-02 19:34:50,107 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:34:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:34:50,107 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2023-12-02 19:34:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2023-12-02 19:34:50,107 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2023-12-02 19:34:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2023-12-02 19:34:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure blocking_notifier_call_chain [2023-12-02 19:34:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure blocking_notifier_call_chain [2023-12-02 19:34:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure create_vtbl [2023-12-02 19:34:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure create_vtbl [2023-12-02 19:34:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure prandom_u32 [2023-12-02 19:34:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure prandom_u32 [2023-12-02 19:34:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-12-02 19:34:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-12-02 19:34:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2023-12-02 19:34:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2023-12-02 19:34:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2023-12-02 19:34:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2023-12-02 19:34:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 19:34:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure do_work [2023-12-02 19:34:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure do_work [2023-12-02 19:34:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-12-02 19:34:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-12-02 19:34:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_in_wl_tree [2023-12-02 19:34:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_in_wl_tree [2023-12-02 19:34:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_open_volume [2023-12-02 19:34:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_open_volume [2023-12-02 19:34:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_check_pattern [2023-12-02 19:34:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_check_pattern [2023-12-02 19:34:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_is_bitflip [2023-12-02 19:34:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_is_bitflip [2023-12-02 19:34:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_write_leb [2023-12-02 19:34:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_write_leb [2023-12-02 19:34:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2023-12-02 19:34:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2023-12-02 19:34:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-12-02 19:34:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-12-02 19:34:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 19:34:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_fsync [2023-12-02 19:34:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_fsync [2023-12-02 19:34:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure get_mtd_device [2023-12-02 19:34:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mtd_device [2023-12-02 19:34:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_put_device [2023-12-02 19:34:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_put_device [2023-12-02 19:34:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure assign_aeb_to_av [2023-12-02 19:34:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure assign_aeb_to_av [2023-12-02 19:34:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-12-02 19:34:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-12-02 19:34:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure clear_update_marker [2023-12-02 19:34:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_update_marker [2023-12-02 19:34:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-12-02 19:34:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-12-02 19:34:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2023-12-02 19:34:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2023-12-02 19:34:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure scan_peb [2023-12-02 19:34:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_peb [2023-12-02 19:34:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-12-02 19:34:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-12-02 19:34:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure validate_vid_hdr___0 [2023-12-02 19:34:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_vid_hdr___0 [2023-12-02 19:34:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_zalloc_vid_hdr___3 [2023-12-02 19:34:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_zalloc_vid_hdr___3 [2023-12-02 19:34:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_create [2023-12-02 19:34:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_create [2023-12-02 19:34:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 19:34:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_zalloc_vid_hdr___0 [2023-12-02 19:34:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_zalloc_vid_hdr___0 [2023-12-02 19:34:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-12-02 19:34:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-12-02 19:34:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_zalloc_vid_hdr___4 [2023-12-02 19:34:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_zalloc_vid_hdr___4 [2023-12-02 19:34:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 19:34:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 19:34:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_self_check_all_ff [2023-12-02 19:34:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_self_check_all_ff [2023-12-02 19:34:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2023-12-02 19:34:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2023-12-02 19:34:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_is_eccerr [2023-12-02 19:34:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_is_eccerr [2023-12-02 19:34:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_close_volume [2023-12-02 19:34:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_close_volume [2023-12-02 19:34:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_put_peb [2023-12-02 19:34:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_put_peb [2023-12-02 19:34:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-12-02 19:34:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-12-02 19:34:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-12-02 19:34:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-12-02 19:34:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-12-02 19:34:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-12-02 19:34:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2023-12-02 19:34:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2023-12-02 19:34:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-12-02 19:34:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-12-02 19:34:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-12-02 19:34:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-12-02 19:34:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_wear_leveling [2023-12-02 19:34:50,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_wear_leveling [2023-12-02 19:34:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure leb_read_unlock [2023-12-02 19:34:50,118 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_read_unlock [2023-12-02 19:34:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-12-02 19:34:50,118 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-12-02 19:34:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_next_sqnum [2023-12-02 19:34:50,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_next_sqnum [2023-12-02 19:34:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_ec_hdr [2023-12-02 19:34:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_ec_hdr [2023-12-02 19:34:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure bio_has_data [2023-12-02 19:34:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_has_data [2023-12-02 19:34:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure ltree_add_entry [2023-12-02 19:34:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ltree_add_entry [2023-12-02 19:34:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure volume_sysfs_close [2023-12-02 19:34:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure volume_sysfs_close [2023-12-02 19:34:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure revoke_exclusive [2023-12-02 19:34:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure revoke_exclusive [2023-12-02 19:34:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-12-02 19:34:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-12-02 19:34:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure return_unused_pool_pebs [2023-12-02 19:34:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure return_unused_pool_pebs [2023-12-02 19:34:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-12-02 19:34:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-12-02 19:34:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-12-02 19:34:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-12-02 19:34:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vtbl_record [2023-12-02 19:34:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vtbl_record [2023-12-02 19:34:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-12-02 19:34:50,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-12-02 19:34:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure erase_worker [2023-12-02 19:34:50,121 INFO L138 BoogieDeclarations]: Found implementation of procedure erase_worker [2023-12-02 19:34:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure do_sync_erase [2023-12-02 19:34:50,121 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sync_erase [2023-12-02 19:34:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_add_to_av [2023-12-02 19:34:50,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_add_to_av [2023-12-02 19:34:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2023-12-02 19:34:50,122 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2023-12-02 19:34:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2023-12-02 19:34:50,122 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2023-12-02 19:34:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 19:34:50,122 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 19:34:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-12-02 19:34:50,122 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-12-02 19:34:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2023-12-02 19:34:50,122 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2023-12-02 19:34:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 19:34:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2023-12-02 19:34:50,123 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2023-12-02 19:34:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-12-02 19:34:50,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-12-02 19:34:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_remove_volume [2023-12-02 19:34:50,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_remove_volume [2023-12-02 19:34:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-12-02 19:34:50,123 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-12-02 19:34:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 19:34:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 19:34:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure ltree_lookup [2023-12-02 19:34:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ltree_lookup [2023-12-02 19:34:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_getgeo [2023-12-02 19:34:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_getgeo [2023-12-02 19:34:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2023-12-02 19:34:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2023-12-02 19:34:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2023-12-02 19:34:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2023-12-02 19:34:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-12-02 19:34:50,125 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-12-02 19:34:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_flush [2023-12-02 19:34:50,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_flush [2023-12-02 19:34:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_list [2023-12-02 19:34:50,125 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_list [2023-12-02 19:34:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_volumes [2023-12-02 19:34:50,125 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_volumes [2023-12-02 19:34:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure kill_volumes [2023-12-02 19:34:50,126 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_volumes [2023-12-02 19:34:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_is_bgt_disabled [2023-12-02 19:34:50,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_is_bgt_disabled [2023-12-02 19:34:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_notify_all [2023-12-02 19:34:50,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_notify_all [2023-12-02 19:34:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-12-02 19:34:50,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-12-02 19:34:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write [2023-12-02 19:34:50,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write [2023-12-02 19:34:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure imajor [2023-12-02 19:34:50,127 INFO L138 BoogieDeclarations]: Found implementation of procedure imajor [2023-12-02 19:34:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure scan_pool [2023-12-02 19:34:50,127 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_pool [2023-12-02 19:34:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-12-02 19:34:50,127 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-12-02 19:34:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure add_aeb [2023-12-02 19:34:50,127 INFO L138 BoogieDeclarations]: Found implementation of procedure add_aeb [2023-12-02 19:34:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_read [2023-12-02 19:34:50,128 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_read [2023-12-02 19:34:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_debugfs_exit [2023-12-02 19:34:50,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_debugfs_exit [2023-12-02 19:34:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure get_exclusive [2023-12-02 19:34:50,128 INFO L138 BoogieDeclarations]: Found implementation of procedure get_exclusive [2023-12-02 19:34:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_major2num [2023-12-02 19:34:50,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_major2num [2023-12-02 19:34:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_do_get_volume_info [2023-12-02 19:34:50,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_do_get_volume_info [2023-12-02 19:34:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2023-12-02 19:34:50,129 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2023-12-02 19:34:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-12-02 19:34:50,129 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-12-02 19:34:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-12-02 19:34:50,129 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-12-02 19:34:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2023-12-02 19:34:50,129 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2023-12-02 19:34:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_volume_info [2023-12-02 19:34:50,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_volume_info [2023-12-02 19:34:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure tree_destroy [2023-12-02 19:34:50,130 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_destroy [2023-12-02 19:34:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:34:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_ec_hdr [2023-12-02 19:34:50,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_ec_hdr [2023-12-02 19:34:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure find_anchor_wl_entry [2023-12-02 19:34:50,130 INFO L138 BoogieDeclarations]: Found implementation of procedure find_anchor_wl_entry [2023-12-02 19:34:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-12-02 19:34:50,131 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-12-02 19:34:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-12-02 19:34:50,131 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-12-02 19:34:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_notify [2023-12-02 19:34:50,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_notify [2023-12-02 19:34:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure wl_tree_add [2023-12-02 19:34:50,131 INFO L138 BoogieDeclarations]: Found implementation of procedure wl_tree_add [2023-12-02 19:34:52,417 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:34:52,423 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:34:52,640 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 19:36:08,447 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:36:15,570 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:36:15,570 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:36:15,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:36:15 BoogieIcfgContainer [2023-12-02 19:36:15,576 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:36:15,579 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:36:15,579 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:36:15,583 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:36:15,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:34:39" (1/3) ... [2023-12-02 19:36:15,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8a3000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:36:15, skipping insertion in model container [2023-12-02 19:36:15,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:47" (2/3) ... [2023-12-02 19:36:15,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8a3000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:36:15, skipping insertion in model container [2023-12-02 19:36:15,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:36:15" (3/3) ... [2023-12-02 19:36:15,586 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i [2023-12-02 19:36:15,606 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:36:15,606 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:36:15,824 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:36:15,831 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@71badb6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:36:15,831 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:36:15,867 INFO L276 IsEmpty]: Start isEmpty. Operand has 9441 states, 5682 states have (on average 1.317669834565294) internal successors, (7487), 5954 states have internal predecessors, (7487), 3490 states have call successors, (3490), 268 states have call predecessors, (3490), 267 states have return successors, (3460), 3405 states have call predecessors, (3460), 3460 states have call successors, (3460) [2023-12-02 19:36:15,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2023-12-02 19:36:15,912 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:36:15,913 INFO L195 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:36:15,913 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:36:15,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:36:15,919 INFO L85 PathProgramCache]: Analyzing trace with hash 864044087, now seen corresponding path program 1 times [2023-12-02 19:36:15,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:36:15,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663392110] [2023-12-02 19:36:15,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:36:15,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:36:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:36:17,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2023-12-02 19:36:17,814 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:36:17,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663392110] [2023-12-02 19:36:17,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663392110] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:36:17,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:36:17,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:36:17,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693245350] [2023-12-02 19:36:17,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:36:17,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:36:17,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:36:17,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:36:17,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:36:17,877 INFO L87 Difference]: Start difference. First operand has 9441 states, 5682 states have (on average 1.317669834565294) internal successors, (7487), 5954 states have internal predecessors, (7487), 3490 states have call successors, (3490), 268 states have call predecessors, (3490), 267 states have return successors, (3460), 3405 states have call predecessors, (3460), 3460 states have call successors, (3460) Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-12-02 19:36:21,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:36:23,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:36:25,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:36:30,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:36:34,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:36:37,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:36:39,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:36:44,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:36:44,863 INFO L93 Difference]: Finished difference Result 26990 states and 41774 transitions. [2023-12-02 19:36:44,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:36:44,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 277 [2023-12-02 19:36:44,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:36:45,010 INFO L225 Difference]: With dead ends: 26990 [2023-12-02 19:36:45,010 INFO L226 Difference]: Without dead ends: 17540 [2023-12-02 19:36:45,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:36:45,102 INFO L413 NwaCegarLoop]: 16970 mSDtfsCounter, 12658 mSDsluCounter, 13577 mSDsCounter, 0 mSdLazyCounter, 1449 mSolverCounterSat, 15 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12658 SdHoareTripleChecker+Valid, 30547 SdHoareTripleChecker+Invalid, 1472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1449 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2023-12-02 19:36:45,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12658 Valid, 30547 Invalid, 1472 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [15 Valid, 1449 Invalid, 8 Unknown, 0 Unchecked, 25.8s Time] [2023-12-02 19:36:45,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17540 states. [2023-12-02 19:36:46,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17540 to 17514. [2023-12-02 19:36:46,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17514 states, 10573 states have (on average 1.3121157665752388) internal successors, (13873), 11027 states have internal predecessors, (13873), 6432 states have call successors, (6432), 510 states have call predecessors, (6432), 508 states have return successors, (6449), 6320 states have call predecessors, (6449), 6430 states have call successors, (6449) [2023-12-02 19:36:47,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17514 states to 17514 states and 26754 transitions. [2023-12-02 19:36:47,150 INFO L78 Accepts]: Start accepts. Automaton has 17514 states and 26754 transitions. Word has length 277 [2023-12-02 19:36:47,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:36:47,152 INFO L495 AbstractCegarLoop]: Abstraction has 17514 states and 26754 transitions. [2023-12-02 19:36:47,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-12-02 19:36:47,154 INFO L276 IsEmpty]: Start isEmpty. Operand 17514 states and 26754 transitions. [2023-12-02 19:36:47,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2023-12-02 19:36:47,169 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:36:47,169 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:36:47,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 19:36:47,170 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:36:47,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:36:47,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1509746730, now seen corresponding path program 1 times [2023-12-02 19:36:47,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:36:47,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084758647] [2023-12-02 19:36:47,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:36:47,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:36:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:36:48,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2023-12-02 19:36:48,704 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:36:48,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084758647] [2023-12-02 19:36:48,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084758647] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:36:48,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:36:48,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:36:48,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698071535] [2023-12-02 19:36:48,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:36:48,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:36:48,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:36:48,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:36:48,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:36:48,709 INFO L87 Difference]: Start difference. First operand 17514 states and 26754 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-12-02 19:36:52,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:36:58,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:36:58,779 INFO L93 Difference]: Finished difference Result 33958 states and 51806 transitions. [2023-12-02 19:36:58,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:36:58,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 297 [2023-12-02 19:36:58,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:36:58,895 INFO L225 Difference]: With dead ends: 33958 [2023-12-02 19:36:58,896 INFO L226 Difference]: Without dead ends: 16521 [2023-12-02 19:36:58,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:36:58,970 INFO L413 NwaCegarLoop]: 12924 mSDtfsCounter, 13532 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13532 SdHoareTripleChecker+Valid, 12924 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:36:58,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13532 Valid, 12924 Invalid, 628 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 626 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2023-12-02 19:36:59,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16521 states. [2023-12-02 19:37:00,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16521 to 16521. [2023-12-02 19:37:00,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16521 states, 9951 states have (on average 1.308411214953271) internal successors, (13020), 10376 states have internal predecessors, (13020), 6067 states have call successors, (6067), 504 states have call predecessors, (6067), 502 states have return successors, (6078), 5969 states have call predecessors, (6078), 6065 states have call successors, (6078) [2023-12-02 19:37:00,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16521 states to 16521 states and 25165 transitions. [2023-12-02 19:37:00,588 INFO L78 Accepts]: Start accepts. Automaton has 16521 states and 25165 transitions. Word has length 297 [2023-12-02 19:37:00,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:37:00,589 INFO L495 AbstractCegarLoop]: Abstraction has 16521 states and 25165 transitions. [2023-12-02 19:37:00,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-12-02 19:37:00,590 INFO L276 IsEmpty]: Start isEmpty. Operand 16521 states and 25165 transitions. [2023-12-02 19:37:00,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2023-12-02 19:37:00,598 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:37:00,598 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:37:00,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 19:37:00,599 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:37:00,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:37:00,599 INFO L85 PathProgramCache]: Analyzing trace with hash 913207862, now seen corresponding path program 1 times [2023-12-02 19:37:00,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:37:00,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286099192] [2023-12-02 19:37:00,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:37:00,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:37:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:37:01,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3123 trivial. 0 not checked. [2023-12-02 19:37:01,436 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:37:01,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286099192] [2023-12-02 19:37:01,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286099192] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:37:01,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:37:01,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:37:01,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529288701] [2023-12-02 19:37:01,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:37:01,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:37:01,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:37:01,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:37:01,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:37:01,440 INFO L87 Difference]: Start difference. First operand 16521 states and 25165 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-12-02 19:37:05,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:37:07,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:37:13,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:37:14,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:37:20,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:37:20,954 INFO L93 Difference]: Finished difference Result 49299 states and 75100 transitions. [2023-12-02 19:37:20,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:37:20,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 308 [2023-12-02 19:37:20,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:37:21,108 INFO L225 Difference]: With dead ends: 49299 [2023-12-02 19:37:21,109 INFO L226 Difference]: Without dead ends: 32855 [2023-12-02 19:37:21,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:37:21,179 INFO L413 NwaCegarLoop]: 18345 mSDtfsCounter, 13458 mSDsluCounter, 12798 mSDsCounter, 0 mSdLazyCounter, 1447 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13458 SdHoareTripleChecker+Valid, 31143 SdHoareTripleChecker+Invalid, 1451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1447 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2023-12-02 19:37:21,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13458 Valid, 31143 Invalid, 1451 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1447 Invalid, 2 Unknown, 0 Unchecked, 18.0s Time] [2023-12-02 19:37:21,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32855 states. [2023-12-02 19:37:23,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32855 to 32851. [2023-12-02 19:37:23,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32851 states, 19791 states have (on average 1.308928300742762) internal successors, (25905), 20640 states have internal predecessors, (25905), 12058 states have call successors, (12058), 1004 states have call predecessors, (12058), 1001 states have return successors, (12082), 11864 states have call predecessors, (12082), 12056 states have call successors, (12082) [2023-12-02 19:37:24,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32851 states to 32851 states and 50045 transitions. [2023-12-02 19:37:24,256 INFO L78 Accepts]: Start accepts. Automaton has 32851 states and 50045 transitions. Word has length 308 [2023-12-02 19:37:24,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:37:24,256 INFO L495 AbstractCegarLoop]: Abstraction has 32851 states and 50045 transitions. [2023-12-02 19:37:24,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-12-02 19:37:24,257 INFO L276 IsEmpty]: Start isEmpty. Operand 32851 states and 50045 transitions. [2023-12-02 19:37:24,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2023-12-02 19:37:24,271 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:37:24,272 INFO L195 NwaCegarLoop]: trace histogram [41, 41, 41, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:37:24,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 19:37:24,272 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:37:24,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:37:24,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1161498635, now seen corresponding path program 1 times [2023-12-02 19:37:24,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:37:24,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557328059] [2023-12-02 19:37:24,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:37:24,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:37:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:37:25,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3290 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3283 trivial. 0 not checked. [2023-12-02 19:37:25,356 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:37:25,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557328059] [2023-12-02 19:37:25,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557328059] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:37:25,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:37:25,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:37:25,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630228729] [2023-12-02 19:37:25,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:37:25,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:37:25,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:37:25,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:37:25,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:37:25,359 INFO L87 Difference]: Start difference. First operand 32851 states and 50045 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2023-12-02 19:37:27,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:37:30,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:37:37,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:37:43,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:37:43,942 INFO L93 Difference]: Finished difference Result 98383 states and 149881 transitions. [2023-12-02 19:37:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:37:43,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 337 [2023-12-02 19:37:43,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:37:44,264 INFO L225 Difference]: With dead ends: 98383 [2023-12-02 19:37:44,264 INFO L226 Difference]: Without dead ends: 65609 [2023-12-02 19:37:44,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:37:44,590 INFO L413 NwaCegarLoop]: 13303 mSDtfsCounter, 13450 mSDsluCounter, 12806 mSDsCounter, 0 mSdLazyCounter, 1282 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13450 SdHoareTripleChecker+Valid, 26109 SdHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1282 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2023-12-02 19:37:44,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13450 Valid, 26109 Invalid, 1284 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1282 Invalid, 1 Unknown, 0 Unchecked, 15.8s Time] [2023-12-02 19:37:44,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65609 states. [2023-12-02 19:37:50,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65609 to 65601. [2023-12-02 19:37:50,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65601 states, 39530 states have (on average 1.3091323045788008) internal successors, (51750), 41227 states have internal predecessors, (51750), 24068 states have call successors, (24068), 2007 states have call predecessors, (24068), 2002 states have return successors, (24118), 23682 states have call predecessors, (24118), 24066 states have call successors, (24118) [2023-12-02 19:37:50,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65601 states to 65601 states and 99936 transitions. [2023-12-02 19:37:50,586 INFO L78 Accepts]: Start accepts. Automaton has 65601 states and 99936 transitions. Word has length 337 [2023-12-02 19:37:50,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:37:50,587 INFO L495 AbstractCegarLoop]: Abstraction has 65601 states and 99936 transitions. [2023-12-02 19:37:50,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2023-12-02 19:37:50,587 INFO L276 IsEmpty]: Start isEmpty. Operand 65601 states and 99936 transitions. [2023-12-02 19:37:50,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2023-12-02 19:37:50,603 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:37:50,603 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:37:50,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 19:37:50,604 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:37:50,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:37:50,604 INFO L85 PathProgramCache]: Analyzing trace with hash -2101966304, now seen corresponding path program 1 times [2023-12-02 19:37:50,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:37:50,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563850388] [2023-12-02 19:37:50,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:37:50,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:37:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:37:51,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2818 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2818 trivial. 0 not checked. [2023-12-02 19:37:51,769 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:37:51,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563850388] [2023-12-02 19:37:51,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563850388] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:37:51,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:37:51,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:37:51,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940018914] [2023-12-02 19:37:51,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:37:51,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:37:51,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:37:51,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:37:51,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:37:51,772 INFO L87 Difference]: Start difference. First operand 65601 states and 99936 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-12-02 19:37:54,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:37:58,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:38:03,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:38:03,309 INFO L93 Difference]: Finished difference Result 130557 states and 198841 transitions. [2023-12-02 19:38:03,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:38:03,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 334 [2023-12-02 19:38:03,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:38:03,701 INFO L225 Difference]: With dead ends: 130557 [2023-12-02 19:38:03,701 INFO L226 Difference]: Without dead ends: 65033 [2023-12-02 19:38:04,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:38:04,015 INFO L413 NwaCegarLoop]: 12820 mSDtfsCounter, 13408 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13408 SdHoareTripleChecker+Valid, 12820 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-12-02 19:38:04,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13408 Valid, 12820 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2023-12-02 19:38:04,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65033 states. [2023-12-02 19:38:10,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65033 to 65033. [2023-12-02 19:38:10,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65033 states, 39170 states have (on average 1.3080929282614246) internal successors, (51238), 40851 states have internal predecessors, (51238), 23876 states have call successors, (23876), 1991 states have call predecessors, (23876), 1986 states have return successors, (23898), 23498 states have call predecessors, (23898), 23874 states have call successors, (23898) [2023-12-02 19:38:10,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65033 states to 65033 states and 99012 transitions. [2023-12-02 19:38:10,747 INFO L78 Accepts]: Start accepts. Automaton has 65033 states and 99012 transitions. Word has length 334 [2023-12-02 19:38:10,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:38:10,748 INFO L495 AbstractCegarLoop]: Abstraction has 65033 states and 99012 transitions. [2023-12-02 19:38:10,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-12-02 19:38:10,748 INFO L276 IsEmpty]: Start isEmpty. Operand 65033 states and 99012 transitions. [2023-12-02 19:38:10,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2023-12-02 19:38:10,763 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:38:10,763 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:38:10,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 19:38:10,764 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:38:10,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:38:10,764 INFO L85 PathProgramCache]: Analyzing trace with hash 277320853, now seen corresponding path program 1 times [2023-12-02 19:38:10,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:38:10,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805221347] [2023-12-02 19:38:10,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:38:10,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:38:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:38:12,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3134 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3134 trivial. 0 not checked. [2023-12-02 19:38:12,411 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:38:12,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805221347] [2023-12-02 19:38:12,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805221347] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:38:12,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:38:12,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:38:12,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762856323] [2023-12-02 19:38:12,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:38:12,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 19:38:12,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:38:12,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 19:38:12,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 19:38:12,414 INFO L87 Difference]: Start difference. First operand 65033 states and 99012 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2023-12-02 19:38:17,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:38:18,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:38:26,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:38:34,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:38:35,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:38:52,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:39:17,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:39:17,098 INFO L93 Difference]: Finished difference Result 193367 states and 294360 transitions. [2023-12-02 19:39:17,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 19:39:17,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 352 [2023-12-02 19:39:17,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:39:17,760 INFO L225 Difference]: With dead ends: 193367 [2023-12-02 19:39:17,761 INFO L226 Difference]: Without dead ends: 128411 [2023-12-02 19:39:17,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 19:39:17,992 INFO L413 NwaCegarLoop]: 12818 mSDtfsCounter, 13173 mSDsluCounter, 19103 mSDsCounter, 0 mSdLazyCounter, 8282 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13173 SdHoareTripleChecker+Valid, 31921 SdHoareTripleChecker+Invalid, 8284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8282 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.7s IncrementalHoareTripleChecker+Time [2023-12-02 19:39:17,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13173 Valid, 31921 Invalid, 8284 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [0 Valid, 8282 Invalid, 2 Unknown, 0 Unchecked, 56.7s Time] [2023-12-02 19:39:18,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128411 states. [2023-12-02 19:39:32,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128411 to 128383. [2023-12-02 19:39:32,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128383 states, 77354 states have (on average 1.30834863096931) internal successors, (101206), 80707 states have internal predecessors, (101206), 47088 states have call successors, (47088), 3949 states have call predecessors, (47088), 3940 states have return successors, (47134), 46318 states have call predecessors, (47134), 47086 states have call successors, (47134) [2023-12-02 19:39:33,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128383 states to 128383 states and 195428 transitions. [2023-12-02 19:39:33,638 INFO L78 Accepts]: Start accepts. Automaton has 128383 states and 195428 transitions. Word has length 352 [2023-12-02 19:39:33,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:39:33,639 INFO L495 AbstractCegarLoop]: Abstraction has 128383 states and 195428 transitions. [2023-12-02 19:39:33,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2023-12-02 19:39:33,640 INFO L276 IsEmpty]: Start isEmpty. Operand 128383 states and 195428 transitions. [2023-12-02 19:39:33,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2023-12-02 19:39:33,665 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:39:33,666 INFO L195 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:39:33,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 19:39:33,666 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:39:33,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:39:33,667 INFO L85 PathProgramCache]: Analyzing trace with hash -37603437, now seen corresponding path program 1 times [2023-12-02 19:39:33,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:39:33,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115562116] [2023-12-02 19:39:33,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:39:33,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:39:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:39:35,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3792 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3788 trivial. 0 not checked. [2023-12-02 19:39:35,560 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:39:35,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115562116] [2023-12-02 19:39:35,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115562116] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:39:35,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:39:35,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 19:39:35,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441671948] [2023-12-02 19:39:35,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:39:35,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 19:39:35,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:39:35,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 19:39:35,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:39:35,564 INFO L87 Difference]: Start difference. First operand 128383 states and 195428 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2023-12-02 19:39:39,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:39:41,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:39:42,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:39:44,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:39:49,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:39:50,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:40:00,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:40:01,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:40:03,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:40:11,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:40:13,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:40:37,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:40:37,101 INFO L93 Difference]: Finished difference Result 385539 states and 586894 transitions. [2023-12-02 19:40:37,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 19:40:37,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 344 [2023-12-02 19:40:37,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:40:38,596 INFO L225 Difference]: With dead ends: 385539 [2023-12-02 19:40:38,597 INFO L226 Difference]: Without dead ends: 256705 [2023-12-02 19:40:39,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-12-02 19:40:39,473 INFO L413 NwaCegarLoop]: 20563 mSDtfsCounter, 13346 mSDsluCounter, 53898 mSDsCounter, 0 mSdLazyCounter, 3850 mSolverCounterSat, 20 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13356 SdHoareTripleChecker+Valid, 74461 SdHoareTripleChecker+Invalid, 3872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 3850 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:40:39,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13356 Valid, 74461 Invalid, 3872 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [20 Valid, 3850 Invalid, 2 Unknown, 0 Unchecked, 47.1s Time] [2023-12-02 19:40:39,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256705 states. [2023-12-02 19:41:10,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256705 to 208651. [2023-12-02 19:41:10,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208651 states, 125755 states have (on average 1.3079241382052404) internal successors, (164478), 131179 states have internal predecessors, (164478), 76515 states have call successors, (76515), 6394 states have call predecessors, (76515), 6380 states have return successors, (76604), 75253 states have call predecessors, (76604), 76513 states have call successors, (76604) [2023-12-02 19:41:12,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208651 states to 208651 states and 317597 transitions. [2023-12-02 19:41:12,411 INFO L78 Accepts]: Start accepts. Automaton has 208651 states and 317597 transitions. Word has length 344 [2023-12-02 19:41:12,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:41:12,412 INFO L495 AbstractCegarLoop]: Abstraction has 208651 states and 317597 transitions. [2023-12-02 19:41:12,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2023-12-02 19:41:12,413 INFO L276 IsEmpty]: Start isEmpty. Operand 208651 states and 317597 transitions. [2023-12-02 19:41:12,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2023-12-02 19:41:12,433 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:41:12,433 INFO L195 NwaCegarLoop]: trace histogram [41, 41, 41, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:41:12,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 19:41:12,434 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:41:12,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:41:12,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1664726114, now seen corresponding path program 1 times [2023-12-02 19:41:12,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:41:12,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486172110] [2023-12-02 19:41:12,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:41:12,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:41:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:41:14,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3294 trivial. 0 not checked. [2023-12-02 19:41:14,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:41:14,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486172110] [2023-12-02 19:41:14,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486172110] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:41:14,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:41:14,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:41:14,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099016095] [2023-12-02 19:41:14,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:41:14,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 19:41:14,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:41:14,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 19:41:14,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 19:41:14,888 INFO L87 Difference]: Start difference. First operand 208651 states and 317597 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 3 states have call successors, (60), 3 states have call predecessors, (60), 2 states have return successors, (56), 2 states have call predecessors, (56), 1 states have call successors, (56) [2023-12-02 19:41:18,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:41:20,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:41:27,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:41:42,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:41:42,987 INFO L93 Difference]: Finished difference Result 213637 states and 323509 transitions. [2023-12-02 19:41:42,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 19:41:42,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 3 states have call successors, (60), 3 states have call predecessors, (60), 2 states have return successors, (56), 2 states have call predecessors, (56), 1 states have call successors, (56) Word has length 361 [2023-12-02 19:41:42,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:41:42,996 INFO L225 Difference]: With dead ends: 213637 [2023-12-02 19:41:42,997 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 19:41:43,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:41:43,846 INFO L413 NwaCegarLoop]: 12883 mSDtfsCounter, 11693 mSDsluCounter, 14724 mSDsCounter, 0 mSdLazyCounter, 1365 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11693 SdHoareTripleChecker+Valid, 27607 SdHoareTripleChecker+Invalid, 1370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1365 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2023-12-02 19:41:43,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11693 Valid, 27607 Invalid, 1370 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1365 Invalid, 3 Unknown, 0 Unchecked, 16.9s Time] [2023-12-02 19:41:43,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 19:41:43,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 19:41:43,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 19:41:43,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 19:41:43,880 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 361 [2023-12-02 19:41:43,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:41:43,880 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 19:41:43,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 3 states have call successors, (60), 3 states have call predecessors, (60), 2 states have return successors, (56), 2 states have call predecessors, (56), 1 states have call successors, (56) [2023-12-02 19:41:43,881 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 19:41:43,881 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 19:41:43,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 19:41:43,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 19:41:43,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.